Soot-blower for steam-boilers.



W. H. NUTTER. ySCOT BLOWER FOR STEAM BOILBRS.

APPLICATION FILED JAN.22, 1912. Patnted 16,

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WARREN il'. NUTTER, OF ST. LOUIS, MISSOURI.

SCOT-BLOWER FOR STEAM-BOILERS.

Specification of Letters Patent.

Patented July 1 6, 1912.

Application led January 22, 1912. Serial No. 672,727.

To all whom 'it 'may concern.'

Be it known that I, lVAiiiii-:N Il. XUTTER, a citizen ot' tlie United States, and' resident ot' bt. Louis, Missouri, have invented certain new and useliil Improvements in Sootllowers for Stettin-Boilers, otl which the following' a speciticatioii containing a full, clear, and exact description, reference being had to the accoiiipanying drawings, forming' a part hereof. p

My invention relates to an im proved soot blower for steam boilers and consists in the novel construction hereinafter described and pointed out in the annexed claims.

'llie object oi" my invention is to pi'ovide :iii improved soot blower especially adapted .'lor use upon tubular steam boilers, so that the operator may stand at, the front of the boiler and etlieiently manipulate the soot blower from tliat position. further object of my invention is to provide an improved soot blower for steam boilers in which it is iiiipossible `for the opci'ator to stand at the back end of a boiler when said boilers have their rear ends closely adjacent the wall ot' tlie building.

ln the drawings: Figure l is :i seetioii'al side elevation of va steam boiler haviim my invention applied thereto; liig. 2 is a Jf'rontl elevation of same with parts bi'okeii away; Fig. 3 is a sectional i'ear elevation taken on the line .2*3 ol Figi] willi parts broken away; Fig. l is a detail longitudinal section taken through the swivel joint otI the soot blower; and Fig. 5 is a detail view ol! the rockable jet pipe connection located at the rear end ot one of the boiler tubes.

'.lhe numeral l indicates tlie steam boiler which is provided at its :Front end with-tlie usual smoke bonnet oi' breechiiipl '.Z. and has the customary furnace setting, which need not be'desci'ibed, exeept` to say, that my iiivention is equally applicable to steam boils ers, the i'ear end ot' whose setting abiits a wall of a building', and thereby pi'eveiits the utilization of a soot blower which iiiiistI be manipulated while the opei'atoi' stands at the reai' of such l'iiriiaee setting.

The numeral 3 indicates a' steam pipe which should be connected to tlie steam space of the boiler for supplying tlie necessary .steainto the-rockable pipe l, which is conliected to the said steam pipe 3 by means ot' a common valve 5 and the, swivel joint t5. Fixed upon the rockable pipe 4, at a point intermediate of the smoke bonnet 2 and the said swivel joint 6, is a hand lever 7. This Ahand lever is preferably fixed to the rockable tion as sliewn in Fig. 2. The numeral 9 indicates a drain valve for d -iining the steam i pipe Land for the attachment of a hose, not shown, should it be desired to use a hose for any purpose. The said roelable pipe 4 eX- tends through an aperture `l() in the front ot' the smoke bonnet 2, and thence into one of the boiler tubes l1, passing,` therethrough to the rear of the boiler' and projecting a. distance thercat', where itis provided with an oscillatory jet tube 12, which latter is provided with a series of small perforations 13. The said jettube l2 is connected to the i'car end tit-the i'oekable pipe et by means of an elbow l-l, and said elbow has a series of perforatioiis l5, closely adjacent'. to the saidrockable pipe for blowinga jet of steam into tlie boiler tube ll in which said pipe l is located. 'l`he swivel'joint- (5 is of common construction and the details thereof -need not be described, and in fact any other well known swivel joint may be used instead of tlie one shown iii detail in Fig. 4. The rot-hable pipe -l is held axially or centrally within said boiler tube ll. at its front end by means ot tlic walls of the aperture 10 in the smoke bonnet 2, and at its rear end by means of a tri-arnied bracket 16, which is mounted upon the end of said rockable pipe between the elbow ll and the adjacent end of said boilertube, so that its arms project) within said tube and hold the said pipe 4 centrally therein, and yet permit thev e11- traiice ot' steam from the jets l5.

The. operation is as follows: Steam is admitted to the i'oekable pipe 4 from the steamI pipe 3 by opening' the valve 5, and after being' siiperlieated therein steam from said roekable pipe passes to the oscillatory jet. tube 12, and is forcibly driven into the boiler.

tubes ll, lhei'eby blowing all of the soot'and other obstructions from the interior of said boiler tubes in the direction of the draft, whence they pass into the smoke bonnet 2, thereby thoroughly cleaning the boiler tubes. 'llie oscillatory jet tube is oscillated by grasping' the handle 7 and swinging it as' a pendulum, this mot-ion being indicated byl the dotted lines in Fie. 2, and thereby causlire,r tlie said jet tube to oseillate across the rear ends of all ot' the boiler tubes.

The hand lever 7, and t-lie jet tube 12 normally occupy the position in which they are shown, that is depending parallel to each other in a substantially vertical position from the part which supports them, so that the operator is at all times provided with an indicator for determining the position of the said jet tube. i

'What I claim is:

l. An improved blower for tubular steam boilers, comprising a rockable superheating' steam-pipe adapted to extend completely Vthrough one of the vboiler tubes, a jet tube at the rear of said vrockable-pipe, jet-mechanism for discharging a jet of uid directly into die boiler-tube in which said rockablepipe is located, means for rockingsaid rockable-pipe, and means for supplying steam to the said rookable-pipe.`

2. A11 improved blower for tubular steam boilers, comprising a rockablestearn-pipe adapted to extend completel through one of the boiler tubes, a jet tu e at the rear ofsaid rockable-pipe, an elbow connectingv said jet-tube to said roclrable-pipe, means orminga part of said elbow for blowing a jetof steam directly into the boiler-tube vin which said rockable-pipe is located, means said rockable-pipe, and means for rockin g the said rockablefor, supplying steam to pipe.A n testimony whereof, l have signed my 

